{"id":5144,"date":"2026-04-06T15:29:56","date_gmt":"2026-04-06T06:29:56","guid":{"rendered":"https:\/\/www.freelifemakers.org\/wordpress\/?p=5144"},"modified":"2026-04-06T15:54:36","modified_gmt":"2026-04-06T06:54:36","slug":"arduinoesp32-temt-6000-webdashboard","status":"publish","type":"post","link":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/2026\/04\/06\/arduinoesp32-temt-6000-webdashboard\/","title":{"rendered":"[Arduino]ESP32-TEMT-6000 \uc6f9 \ub300\uc2dc\ubcf4\ub4dc\/web dashboard"},"content":{"rendered":"\n

\ud83d\udc49\ud83c\udffb \uc8fc\uc704\ud658\uacbd\uc774 \uc5b4\ub450\uc6b0\uba74 ESP32\ubcf4\ub4dc\uc758 LED\uac00 \uc810\ub4f1\ub418\uace0 TEMT-6000\uc13c\uc11c\uc5d0 \ube5b\uc744 \ube44\ucd94\uba74 LED\uac00 \uc18c\ub4f1\ub429\ub2c8\ub2e4.
When the surrounding environment is dark, the LED on the ESP32 board lights up, and when light is shone on the TEMT-6000 sensor, the LED turns off.<\/p>\n\n\n\n

\ud83d\udc49\ud83c\udffb \uc6f9 \ub300\uc2dc\ubcf4\ub4dc\uc5d0 \uc811\uc18d\ud574\uc11c \uc870\ub3c4 \uae30\uc900 \uac12\uc744 \ubcc0\uacbd\ud574\uc11c LED\ub97c \uc18c\ub4f1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.
You can turn off the LED by accessing the web dashboard and changing the illuminance threshold value.<\/p>\n\n\n\n

\ud83d\udc49\ud83c\udffb \ubc30\uc120\uc740 \uae30\uc874\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4.
The wiring is the same as the existing one.<\/p>\n\n\n\n

S \u2192 ESP32 ADC \ud540(\uc608 GPIO34) \/ ESP32 ADC pin (e.g., GPIO34)\nG \u2192 GND\nV \u2192 3.3V<\/code><\/pre>\n\n\n\n
\ud83d\udc49\ud83c\udffb \ucf54\ub4dc \/ Code<\/p>\n\n\n\n
\u2714\ufe0f \uc544\ub450\uc774\ub178 IDE \uc124\uc815\uc740 \uae30\uc874\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4.
The Arduino IDE settings are the same as before.<\/p>\n\n\n\n
#include <WiFi.h>\n#include <WebServer.h>\n\nconst char* ssid = \"YOUR_SSID\";\nconst char* password = \"YOUR_PASSWORD\";\n\nWebServer server(80);\n\nconst int sensorPin = 34;   \/\/ TEMT6000 S \uc5f0\uacb0 (ADC1) \/ The TEMT6000 S is connected to ADC1.\nconst int ledPin = 2;       \/\/ WROOM \uc628\ubcf4\ub4dc LED \ubcf4\ud1b5 GPIO2 \/ The WROOM on-board LED is usually GPIO2.\n\nint threshold = 1000;       \/\/ \uc774 \uac12\ubcf4\ub2e4 \uc5b4\ub450\uc6b0\uba74 LED ON \/ If it is darker than this value, the LED turns on. (0~4095)\nint sensorValue = 0;\nbool ledOn = false;\n\nvoid handleRoot() {\n  String html = \"<!doctype html><html><head><meta charset='utf-8'>\";\n  html += \"<meta name='viewport' content='width=device-width,initial-scale=1'>\";\n  html += \"<title>ESP32 Light Dashboard<\/title><\/head><body>\";\n  html += \"<h2>ESP32 Light Dashboard<\/h2>\";\n  html += \"<p>Sensor: <span id='v'>-<\/span><\/p>\";\n  html += \"<p>LED: <span id='l'>-<\/span><\/p>\";\n  html += \"<p>Threshold: <span id='t'>-<\/span><\/p>\";\n  html += \"<form action='\/set' method='get'>\";\n  html += \"Set threshold: <input name='th' type='number' min='0' max='4095' value='\" + String(threshold) + \"'>\";\n  html += \"<button type='submit'>Apply<\/button><\/form>\";\n  html += \"<script>\";\n  html += \"async function refresh(){\";\n  html += \"const r=await fetch('\/data'); const d=await r.json();\";\n  html += \"document.getElementById('v').textContent=d.sensor;\";\n  html += \"document.getElementById('l').textContent=d.led?'ON':'OFF';\";\n  html += \"document.getElementById('t').textContent=d.threshold;\";\n  html += \"}\";\n  html += \"setInterval(refresh,1000); refresh();\";\n  html += \"<\/script><\/body><\/html>\";\n  server.send(200, \"text\/html\", html);\n}\n\nvoid handleData() {\n  String json = \"{\\\"sensor\\\":\" + String(sensorValue) +\n                \",\\\"threshold\\\":\" + String(threshold) +\n                \",\\\"led\\\":\" + String(ledOn ? \"true\" : \"false\") + \"}\";\n  server.send(200, \"application\/json\", json);\n}\n\nvoid handleSet() {\n  if (server.hasArg(\"th\")) {\n    int t = server.arg(\"th\").toInt();\n    if (t >= 0 && t <= 4095) threshold = t;\n  }\n  server.sendHeader(\"Location\", \"\/\");\n  server.send(302, \"text\/plain\", \"OK\");\n}\n\nvoid setup() {\n  Serial.begin(115200);\n  pinMode(ledPin, OUTPUT);\n\n  WiFi.begin(ssid, password);\n  while (WiFi.status() != WL_CONNECTED) { delay(500); }\n\n  Serial.print(\"IP: \");\n  Serial.println(WiFi.localIP());\n\n  server.on(\"\/\", handleRoot);\n  server.on(\"\/data\", handleData);\n  server.on(\"\/set\", handleSet);\n  server.begin();\n}\n\nvoid loop() {\n  server.handleClient();\n\n  sensorValue = analogRead(sensorPin);\n  ledOn = (sensorValue < threshold); \/\/ \uc5b4\ub450\uc6b0\uba74 ON \/ If it is darker than the threshold, turn on the LED.\n\n  digitalWrite(ledPin, ledOn ? HIGH : LOW);\n  delay(100);\n}\n<\/code><\/pre>\n\n\n\n
\ud83d\udc49\ud83c\udffb \uc704\uc758 \ucf54\ub4dc\ub97c \uc5c5\ub85c\ub4dc\ud558\uace0 Serial Monitor\ub97c \uc5f4\uba74 \uc544\ub798\ucc98\ub7fc ESP32 \ubcf4\ub4dc\uc758 \uc544\uc774\ud53c \uc8fc\uc18c\uac00 \ucd9c\ub825\ub429\ub2c8\ub2e4.
If you upload the code above and open the Serial Monitor, the IP address of the ESP32 board will be displayed as shown below.<\/p>\n\n\n\n
\"\"
Serial Monitor<\/figcaption><\/figure>\n\n\n\n
\ud83d\udc49\ud83c\udffb \uc6f9 \ub300\uc2dc\ubcf4\ub4dc\uc5d0 \uc811\uc18d\ud558\uba74 \uc544\ub798\ucc98\ub7fc \uc870\ub3c4 \uae30\uc900 \uac12(threshold)\uc744 \ubcc0\uacbd\ud574\uc11c ESP32\ubcf4\ub4dc\uc758 LED\ub97c \uc810\ub4f1 \uc2dc\ud0a4\uac70\ub098 \uc18c\ub4f1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.
When you access the web dashboard, you can turn the ESP32 board’s LED on or off by changing the illuminance threshold value as shown below.<\/p>\n\n\n\n
\u2714\ufe0f \uc6f9 \ub300\uc2dc\ubcf4\ub4dc \/ web dashboard<\/p>\n\n\n\n
\n
\"\"
Off<\/figcaption><\/figure>\n\n\n\n
\"\"
On<\/figcaption><\/figure>\n<\/figure>\n\n\n\n
\u2714\ufe0f ESP32<\/p>\n\n\n\n
\n
\"\"
Led Off<\/figcaption><\/figure>\n\n\n\n
\"\"
Led On<\/figcaption><\/figure>\n<\/figure>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\ud83d\udc49\ud83c\udffb \uc8fc\uc704\ud658\uacbd\uc774 \uc5b4\ub450\uc6b0\uba74 ESP32\ubcf4\ub4dc\uc758 LED\uac00 \uc810\ub4f1\ub418\uace0 TEMT-6000\uc13c\uc11c\uc5d0 \ube5b\uc744 \ube44\ucd94\uba74 LED\uac00 \uc18c\ub4f1\ub429\ub2c8\ub2e4.When the surrounding environment is dark, the LED on the ESP32 board lights up, and when light is shone on the TEMT-6000 sensor, the LED turns off. \ud83d\udc49\ud83c\udffb \uc6f9 \ub300\uc2dc\ubcf4\ub4dc\uc5d0 \uc811\uc18d\ud574\uc11c \uc870\ub3c4 \uae30\uc900 \uac12\uc744 \ubcc0\uacbd\ud574\uc11c LED\ub97c \uc18c\ub4f1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.You can turn off the LED by […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,1],"tags":[],"class_list":["post-5144","post","type-post","status-publish","format-standard","hentry","category-arduino","category-uncategorized","missing-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/5144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=5144"}],"version-history":[{"count":12,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/5144\/revisions"}],"predecessor-version":[{"id":5162,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/5144\/revisions\/5162"}],"wp:attachment":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=5144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=5144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=5144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}